B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
B66C3/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
Loading and unloading device for loading and unloading an interchangeable platform from its transport vehicle and a transport vechicle for the interchangeable platform
Dispositif et methode pour mettre en tension le cable de levage d'une grue via son crochet en enroulant le cable sur le treuil de levage de la grue